Banthoon Lamsam

President -- Thai Farmers Bank -- Thailand

Although he is the scion of one of Thailand's oldest, most conservative banking families, Banthoon Lamsam's management style is downright iconoclastic. He's brought in foreign consultants to help him run Thai Farmers Bank, aggressively written off bad loans, and introduced a "performance culture" for his 10,000 employees, including a controversial early-retirement plan for 2,000 staff unable to keep up with new technology. "You have to be a bad guy if you want to change anything," Banthoon explains.

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